Toyota 2015 Corolla Owner's Manual page 363

389
6-1. Using the air conditioning system and defogger
Defogging the rear window and outside rear view mirrors
■
Defoggers are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
Press .
The defoggers will automatically turn off after a period of time.
6
COROLLA_TMMMS_TMMC_U (OM12F00U)